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Finding the Fourth Proportional to 29,591.72, 44,376.24 and 12,722.48

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Solution

The fourth proportional to 29,591.72, 44,376.24 and 12,722.48 is: 19,078.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,591.72 : 44,376.24 = 12,722.48 : x
  2. Step 2: Convert to fraction form
    29,591.72/44,376.24 = 12,722.48/x
  3. Step 3: Cross multiply
    29,591.72x = 44,376.24 × 12,722.48
  4. Step 4: Simplify right side
    29,591.72x = 564,575,825.88
  5. Step 5: Solve for x
    x = 564,575,825.88/29,591.72
  6. Step 6: Final answer
    x = 19,078.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.